I have tried viewing the AVI file from Freevo, and there are still
commercials in the recordings.  I suppose this makes sense, though,
since apparantely no commercials are being detected.

I noticed that mencoder takes a parameter for 'blackness' in the black
frames filter which defaults to I believe 98%.  Might it be worth
trying to specify a slightly lower value?  I'm hesitant to do this
because it looks like I would have to do it in the code directly,
which tells me other people haven't had to make this adjustment, which
in turn tells me I must be missing something!

Thoughts?

On Sat, Mar 14, 2009 at 4:43 AM, Evan Hisey <ehi...@gmail.com> wrote:
> On Fri, Mar 13, 2009 at 12:40 PM, Bill Bierman <b...@thebiermans.org> wrote:
>> Greetings.  I am running Freevo 1.8.3 on Ubuntu.  It is a stock
>> installation with the exception of changing the order of signals sent
>> to kill the webserver as mentioned by Duncan Webb in a previous post
>> to this list.
>>
>> I am running the commdetect server with a debug logging level, and am
>> able to see that the command it executes to apply the blackframe
>> filter to a recorded AVI file is correct, as seen here:
>>
>> 2009-03-13 00:59:50,209 DEBUG    commdetectcore.py (168):
>> command="/usr/bin/mencoder -ovc lavc -nosound -vf blackframe
>> /home/tv/video/recording/03-13_00_00_Henry_Cho:_What_s_That_Clickin_Noise.avi
>> -o /dev/null | grep vf_blackframe > /tmp/blackframes.txt"
>>
>> When I execute this command manually, it does create what (as far as I
>> can tell -- kind of a rookie here) seems like a valid file.  I have
>> attached a gzipped version of this txt file for people who feel so
>> inclined to be sure the output is sane.
>>
>> I should mention that I get quite a few lines of output saying "1
>> duplicate frame(s)!" ... approximately 100 or so for this 60 minute
>> recording.  Not sure if that matters.
>>
>> The logfile does not contain much more useful and verbose output.
>> Simply the following:
>>
>> 2009-03-13 01:03:29,830 DEBUG    commdetectcore.py (195): Grabbing
>> Blackframes from file
>> 2009-03-13 01:03:29,896 DEBUG    commdetectcore.py (197): Finding Commercials
>> 2009-03-13 01:03:29,897 DEBUG    commdetectcore.py (199): Writing edl file
>> 2009-03-13 01:03:29,897 DEBUG    commdetectcore.py (252): runQueue
>> callback data :
>> 2009-03-13 01:03:29,898 DEBUG    commdetectcore.py (256): PID 12366
>> 2009-03-13 01:03:29,898 INFO     commdetectcore.py (250): queue empty,
>> stopping processing...
>>
>> An EDL file is created, in this case
>> "03-13_00_00_Henry_Cho:_What_s_That_Clickin_Noise.edl".  The contents
>> of this file are a single line:
>>
>> 3544 2603 0
>>
>> Now, when I go back and play the .AVI file, as far as I can tell, not
>> a single commercial has been removed, in whole or in part.
>>
>> Can anyone tell me what I am doing wrong?  I can provide whatever
>> additional information might be necessary.
>>
>> Incidentally, I haven't gotten my recordings to have sound yet.  Could
>> this have something to do with it?  I'm trying to focus on both
>> problems simultaneously, but am not at a throw-my-hands-up stage on
>> the sound issue as yet.
>>
>> Many thanks in advance for whatever assistance is provided.
>>
> The commercial detection is working just not getting many it looks
> like. I have also noticed that depending on the brightness of the
> show, it goes from being good, to really getting strange detections.
> Battlestar Galatica.,a very dark show, for example, is awful about
> getting large chunks of the show detected as a commercial. On the
> other hand, sitcom type shows, which are very bright, tend do to
> pretty good with it. How are you trying to view the avi? You will need
> to be using mplayer in freevo to use the edl file.
>
> Evan
>
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software that enables intelligent coding and step-through debugging.
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